题目

通读下面的短文，掌握其大意，然后从题中所给的A、B、C三个选项中选择最佳答案填空。 Hello, everyone! Do you know ____ it is? Yes, you are right. It’s ____ fridge (冰箱). It is at Mike’s home. There are many ____ in it. Look! These are oranges and ____. They are Mike’s favorite fruits. He ____ an orange and two bananas every day. What’s this? Oh, it’s ____ . Do you like to drink(喝) it? Mike ____ it and he drinks a cup of it every morning. These are hamburgers. Mike likes them, but his mother doesn’t ____ him eat them. She ____ they are not good 下列关于同源染色体的叙述，正确的是（　　） A、一条来自父方，一条来自母方的染色体，一定是同源染色体B、在人的肌细胞中没有X和Y这对同源染色体C、在人的精原细胞中没有同源染色体D、减数分裂中配对的染色体